4-2 1. Plan the lesson Overview Reviewthe required skills Multiply integers Lesson 1-9: Example 3; Exercises 14-19. Extra Practice, p. 744. Pedagogical Resources Pedagogical Tools Exercise, reteaching, enrichment Reaching all students Workbook 4-2 Spanish Workbook 4-2 Guided Problem Solving 4-2 Preparation Assistant Plus! Transparencies and PowerPoint • Check the skills you need 4-2 • Additional examples 4-2 • Student Edition Answers 4-2 • Lesson Quiz 4-2 • Teaching Help 17 PH Pre sentation Pro CD-ROM 4-2 4-2 What you will learn OBJECTIVE 1 OBJECTIVE 2 Use of exponents Using the sequence of operations with exponents. And why you should solve real problems with magnification Check the skills you need to find any product. 1. 3 ? 3 ? 3 ? 3 81 2. -12 ? (-12) 144 3. (-4) (-4) (-4) –64 4. 10 ? 10 ? 10 ? 10 10,000 Help is available in lessons 1 to 9.
New vocabulary • Superscripts • Power • Basic exponents OBJECTIVE 1 Use of exponents You can use superscripts to display repeated multiplications. Base 2 6 = 2 ? 2 ? 2 ? 2 ? 2 ? 2 = 64 Power Base 2 is used as a factor of 6 times. A power consists of two parts, a base and an exponent. 182 Chapter 4 Factors, fractions and exponents Write the expression with an exponent. a. (–5)(–5)(–5) (-5) 3 Add the negative sign in parentheses. b. –2? One? b ? One? a -2? One? One? One? b Rewrite the expression using commutative and associative properties. -2a 3 b Subscribe? One? a Using exponents.
Check the understanding of Example 1 1. Write with exponents. Ongoing assessment and intervention a. 6? 6 ? 6 6 3 b. 4 ? y? x ? Y 4xy 2 tbsp (-3) (-3) (-3) (-3) (–3) 4,182 Before the lesson, diagnose the required skills with: • Check the skills you need during the course Monitor progress with: • Check understanding • Additional examples • Test preparationafter the lesson Assess knowledge with: • Lesson Quiz • CD-ROM Computer Test Generator Turn your PDF publications into flipbooks with our unique Google-optimized e-paper software. You have already pointed out this document. Thank you for helping us keep this platform clean. Publishers will review it as soon as possible.